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#1
LQ Newbie
Registered: Aug 2012
Posts: 13
Rep:
syslog-ng eat too much CPU, Diskspace
I install syslog-ng, it eat < 1%CPU
but to day, syslog-ng eat 35% CPU and create big log file. Folder /var/log/ is 60GB.
I google, syslog-ng eat too much cpu beacause server use vga, desktop environment.
How wo fix it? How to config syslog-ng is not log tty12
http://zargony.com/2008/03/04/syslog...ticular-reason
#2
Member
Registered: Nov 2004
Location: Russia (St.Petersburg)
Distribution: Debian
Posts: 666
Rep:
which application sent 60GB of syslogs?
1 members found this post helpful.
#3
LQ Newbie
Registered: Aug 2012
Posts: 13
Original Poster
Rep:
file kern.log, messages, syslog is very big
#4
Member
Registered: Nov 2004
Location: Russia (St.Petersburg)
Distribution: Debian
Posts: 666
Rep:
syslog entries always have application IDs, look at them
#5
Moderator
Registered: May 2001
Posts: 29,415
Quote:
Originally Posted by
sieuvocmaytinh
How to config syslog-ng is not log tty12
Comment out the
Code:
destination console_all { file("/dev/tty12"); };
line. Also ensure you set know logrotate defaults and tune it according to your servers needs.
1 members found this post helpful.
#6
LQ Newbie
Registered: Aug 2012
Posts: 13
Original Poster
Rep:
@Ygrex: kern.log, messages, syslog have no IDs.
#7
Member
Registered: Nov 2004
Location: Russia (St.Petersburg)
Distribution: Debian
Posts: 666
Rep:
look at your iptables, most likely you have some rule with LOG target
1 members found this post helpful.
#8
LQ Newbie
Registered: Aug 2012
Posts: 13
Original Poster
Rep:
@Ygrex: thank you
i was install psad and add iptables rule to run psad
Quote:
iptables -A INPUT -j LOG
i remove this rule, syslog-ng work perfect. But psad don't work
#9
Member
Registered: Nov 2004
Location: Russia (St.Petersburg)
Distribution: Debian
Posts: 666
Rep:
from psad instructions:
http://cipherdyne.org/psad/docs/fwconfig.html
these rules should be added after all legitimate ACCEPT rules, so that only some suspicious packets are logged; it's not intended to log 60GB per day; if you have 60GB suspicious packets, look at them and add some rejecting rules before logging
1 members found this post helpful.
#10
LQ Newbie
Registered: Aug 2012
Posts: 13
Original Poster
Rep:
@Ygrex: Thank you very much.
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